public class Example8_12  { 

   public static void main(String args[]) {

      String shoppingReceipt = "牛奶:8.5圆,香蕉3.6圆，酱油:2.8圆";

      PriceToken lookPriceMess = new PriceToken();

      System.out.println(shoppingReceipt);

      double sum =lookPriceMess.getPriceSum(shoppingReceipt);

      System.out.printf("购物总价格%-7.2f",sum);

      int amount = lookPriceMess.getGoodsAmount(shoppingReceipt);

      double aver = lookPriceMess.getAverPrice(shoppingReceipt);

      System.out.printf("\n商品数目:%d,平均价格:%-7.2f",amount,aver);

    } 

}
